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Joints

joints of the body

QuestionAnswer
articulations functional junctions between bones
fibrous joints dense connective tissue
syndesmosis bones are bound by long fibers of connective tissue that form an interosseous ligament
suture broad margins of adjacent bones grow together and unite by a thin layer of dense connective tissue
gomphosis a joint formed by the union of a cone-shaped body process in a body socket.
cartilaginous joints hyaline cartilage or fibrocartilage that connects bones
synchondrosis bands of hyaline cartilage unite the bones
synovial joints joints of the skeletal system that allow free movement
articular cartilage resists wear and minimizes friction when it is compressed as the joint moves
joint capsule two distinct layers taht holds together bones of a synovial joint
ligaments bundles of strong tough collagenous fibers
synovial membrane covers all of the surfaces within the joint capsule
synovial fluid a clear viscuous fluid
menisci disc of fibrocartilage that divides the synovial joints
bursae a fluid filled sac associated with synovial joints
ball and socket joint consists of a bone with an egg shpaed edd that articulates within the cup shapedcavity of another bone
condyloid joint ovoid condyle of one bone
gliding joints allow sliding or back and forth motion and twisting movements
hinge joint convex surface of one bone that fits into a concave surface
pivot joint cylndrical surface of one bone rotates within a ring formed of bone and fiburous tissue
saddle joint between bones whose articulating surfaces have both concave and convex regions
flexion bending parts at a joint so that the angle between them decreases
extension straightening parts at a joint so that the angle between them increases
hyperextension excess extension of teh parts at a joint
dorsiflexion bending the foot at the ankle toward the shin
plantar flexion bending the foot at the ankle toward the sole
abduction moving a part away from the midline
adduction moving a part toward the midline
rotation moving a part around an axis
circumduction moving a part so that its end follows a circular path
supination turning the hand so the palm is upward
pronatino turning the hand so the palm is downward or facing posteriorly
eversion turning the foot so the sole faces laterally
Created by: wakaflockaflav